255956220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:170

約数の個数: 288

約数和(自身を含む): 914034240

約数和(自身を除く): 658078020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 101, 108, 114, 117, 130, 135, 156, 171, 180, 190, 195, 202, 228, 234, 247, 260, 270, 285, 303, 342, 351, 361, 380, 390, 404, 468, 494, 505, 513, 540, 570, 585, 606, 684, 702, 722, 741, 780, 855, 909, 988, 1010, 1026, 1083, 1140, 1170, 1212, 1235, 1313, 1404, 1444, 1482, 1515, 1710, 1755, 1805, 1818, 1919, 2020, 2052, 2166, 2223, 2340, 2470, 2565, 2626, 2727, 2964, 3030, 3249, 3420, 3510, 3610, 3636, 3705, 3838, 3939, 4332, 4446, 4545, 4693, 4940, 5130, 5252, 5415, 5454, 5757, 6060, 6498, 6565, 6669, 7020, 7220, 7410, 7676, 7878, 8892, 9090, 9386, 9595, 9747, 10260, 10830, 10908, 11115, 11514, 11817, 12996, 13130, 13338, 13635, 14079, 14820, 15756, 16245, 17271, 18180, 18772, 19190, 19494, 19695, 21660, 22230, 23028, 23465, 23634, 24947, 26260, 26676, 27270, 28158, 28785, 32490, 33345, 34542, 35451, 36461, 38380, 38988, 39390, 42237, 44460, 46930, 47268, 48735, 49894, 51813, 54540, 56316, 57570, 59085, 64980, 66690, 69084, 70395, 70902, 72922, 74841, 78780, 84474, 86355, 93860, 97470, 99788, 103626, 109383, 115140, 118170, 124735, 126711, 133380, 140790, 141804, 145844, 149682, 168948, 172710, 177255, 182305, 194940, 207252, 211185, 218766, 224523, 236340, 249470, 253422, 259065, 281580, 299364, 328149, 345420, 354510, 364610, 374205, 422370, 437532, 449046, 473993, 498940, 506844, 518130, 546915, 633555, 656298, 673569, 709020, 729220, 748410, 844740, 898092, 947986, 984447, 1036260, 1093830, 1122615, 1267110, 1312596, 1347138, 1421979, 1496820, 1640745, 1895972, 1968894, 2187660, 2245230, 2369965, 2534220, 2694276, 2843958, 3281490, 3367845, 3937788, 4265937, 4490460, 4739930, 4922235, 5687916, 6562980, 6735690, 7109895, 8531874, 9479860, 9844470, 12797811, 13471380, 14219790, 17063748, 19688940, 21329685, 25595622, 28439580, 42659370, 51191244, 63989055, 85318740, 127978110, 255956220]

約数ペア:

[(1, 255956220), (2, 127978110), (3, 85318740), (4, 63989055), (5, 51191244), (6, 42659370), (9, 28439580), (10, 25595622), (12, 21329685), (13, 19688940), (15, 17063748), (18, 14219790), (19, 13471380), (20, 12797811), (26, 9844470), (27, 9479860), (30, 8531874), (36, 7109895), (38, 6735690), (39, 6562980), (45, 5687916), (52, 4922235), (54, 4739930), (57, 4490460), (60, 4265937), (65, 3937788), (76, 3367845), (78, 3281490), (90, 2843958), (95, 2694276), (101, 2534220), (108, 2369965), (114, 2245230), (117, 2187660), (130, 1968894), (135, 1895972), (156, 1640745), (171, 1496820), (180, 1421979), (190, 1347138), (195, 1312596), (202, 1267110), (228, 1122615), (234, 1093830), (247, 1036260), (260, 984447), (270, 947986), (285, 898092), (303, 844740), (342, 748410), (351, 729220), (361, 709020), (380, 673569), (390, 656298), (404, 633555), (468, 546915), (494, 518130), (505, 506844), (513, 498940), (540, 473993), (570, 449046), (585, 437532), (606, 422370), (684, 374205), (702, 364610), (722, 354510), (741, 345420), (780, 328149), (855, 299364), (909, 281580), (988, 259065), (1010, 253422), (1026, 249470), (1083, 236340), (1140, 224523), (1170, 218766), (1212, 211185), (1235, 207252), (1313, 194940), (1404, 182305), (1444, 177255), (1482, 172710), (1515, 168948), (1710, 149682), (1755, 145844), (1805, 141804), (1818, 140790), (1919, 133380), (2020, 126711), (2052, 124735), (2166, 118170), (2223, 115140), (2340, 109383), (2470, 103626), (2565, 99788), (2626, 97470), (2727, 93860), (2964, 86355), (3030, 84474), (3249, 78780), (3420, 74841), (3510, 72922), (3610, 70902), (3636, 70395), (3705, 69084), (3838, 66690), (3939, 64980), (4332, 59085), (4446, 57570), (4545, 56316), (4693, 54540), (4940, 51813), (5130, 49894), (5252, 48735), (5415, 47268), (5454, 46930), (5757, 44460), (6060, 42237), (6498, 39390), (6565, 38988), (6669, 38380), (7020, 36461), (7220, 35451), (7410, 34542), (7676, 33345), (7878, 32490), (8892, 28785), (9090, 28158), (9386, 27270), (9595, 26676), (9747, 26260), (10260, 24947), (10830, 23634), (10908, 23465), (11115, 23028), (11514, 22230), (11817, 21660), (12996, 19695), (13130, 19494), (13338, 19190), (13635, 18772), (14079, 18180), (14820, 17271), (15756, 16245)]